body {
    background: linear-gradient(135deg, #64b5f6, #1976d2);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

input, button {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

button {
    background: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #45a049;
}